1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/kthread.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12
13 /* BSG support for ELS/CT pass through */
14 void
qla2x00_bsg_job_done(void * data,void * ptr,int res)15 qla2x00_bsg_job_done(void *data, void *ptr, int res)
16 {
17 srb_t *sp = (srb_t *)ptr;
18 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
19 struct fc_bsg_job *bsg_job = sp->u.bsg_job;
20
21 bsg_job->reply->result = res;
22 bsg_job->job_done(bsg_job);
23 sp->free(vha, sp);
24 }
25
26 void
qla2x00_bsg_sp_free(void * data,void * ptr)27 qla2x00_bsg_sp_free(void *data, void *ptr)
28 {
29 srb_t *sp = (srb_t *)ptr;
30 struct scsi_qla_host *vha = sp->fcport->vha;
31 struct fc_bsg_job *bsg_job = sp->u.bsg_job;
32 struct qla_hw_data *ha = vha->hw;
33 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
34
35 if (sp->type == SRB_FXIOCB_BCMD) {
36 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
37 &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
38
39 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
40 dma_unmap_sg(&ha->pdev->dev,
41 bsg_job->request_payload.sg_list,
42 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
43
44 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
45 dma_unmap_sg(&ha->pdev->dev,
46 bsg_job->reply_payload.sg_list,
47 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
48 } else {
49 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
50 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
51
52 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
53 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
54 }
55
56 if (sp->type == SRB_CT_CMD ||
57 sp->type == SRB_FXIOCB_BCMD ||
58 sp->type == SRB_ELS_CMD_HST)
59 kfree(sp->fcport);
60 qla2x00_rel_sp(vha, sp);
61 }
62
63 int
qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t * vha,struct qla_fcp_prio_cfg * pri_cfg,uint8_t flag)64 qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
65 struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
66 {
67 int i, ret, num_valid;
68 uint8_t *bcode;
69 struct qla_fcp_prio_entry *pri_entry;
70 uint32_t *bcode_val_ptr, bcode_val;
71
72 ret = 1;
73 num_valid = 0;
74 bcode = (uint8_t *)pri_cfg;
75 bcode_val_ptr = (uint32_t *)pri_cfg;
76 bcode_val = (uint32_t)(*bcode_val_ptr);
77
78 if (bcode_val == 0xFFFFFFFF) {
79 /* No FCP Priority config data in flash */
80 ql_dbg(ql_dbg_user, vha, 0x7051,
81 "No FCP Priority config data.\n");
82 return 0;
83 }
84
85 if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
86 bcode[3] != 'S') {
87 /* Invalid FCP priority data header*/
88 ql_dbg(ql_dbg_user, vha, 0x7052,
89 "Invalid FCP Priority data header. bcode=0x%x.\n",
90 bcode_val);
91 return 0;
92 }
93 if (flag != 1)
94 return ret;
95
96 pri_entry = &pri_cfg->entry[0];
97 for (i = 0; i < pri_cfg->num_entries; i++) {
98 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
99 num_valid++;
100 pri_entry++;
101 }
102
103 if (num_valid == 0) {
104 /* No valid FCP priority data entries */
105 ql_dbg(ql_dbg_user, vha, 0x7053,
106 "No valid FCP Priority data entries.\n");
107 ret = 0;
108 } else {
109 /* FCP priority data is valid */
110 ql_dbg(ql_dbg_user, vha, 0x7054,
111 "Valid FCP priority data. num entries = %d.\n",
112 num_valid);
113 }
114
115 return ret;
116 }
117
118 static int
qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job * bsg_job)119 qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
120 {
121 struct Scsi_Host *host = bsg_job->shost;
122 scsi_qla_host_t *vha = shost_priv(host);
123 struct qla_hw_data *ha = vha->hw;
124 int ret = 0;
125 uint32_t len;
126 uint32_t oper;
127
128 if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_P3P_TYPE(ha))) {
129 ret = -EINVAL;
130 goto exit_fcp_prio_cfg;
131 }
132
133 /* Get the sub command */
134 oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
135
136 /* Only set config is allowed if config memory is not allocated */
137 if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
138 ret = -EINVAL;
139 goto exit_fcp_prio_cfg;
140 }
141 switch (oper) {
142 case QLFC_FCP_PRIO_DISABLE:
143 if (ha->flags.fcp_prio_enabled) {
144 ha->flags.fcp_prio_enabled = 0;
145 ha->fcp_prio_cfg->attributes &=
146 ~FCP_PRIO_ATTR_ENABLE;
147 qla24xx_update_all_fcp_prio(vha);
148 bsg_job->reply->result = DID_OK;
149 } else {
150 ret = -EINVAL;
151 bsg_job->reply->result = (DID_ERROR << 16);
152 goto exit_fcp_prio_cfg;
153 }
154 break;
155
156 case QLFC_FCP_PRIO_ENABLE:
157 if (!ha->flags.fcp_prio_enabled) {
158 if (ha->fcp_prio_cfg) {
159 ha->flags.fcp_prio_enabled = 1;
160 ha->fcp_prio_cfg->attributes |=
161 FCP_PRIO_ATTR_ENABLE;
162 qla24xx_update_all_fcp_prio(vha);
163 bsg_job->reply->result = DID_OK;
164 } else {
165 ret = -EINVAL;
166 bsg_job->reply->result = (DID_ERROR << 16);
167 goto exit_fcp_prio_cfg;
168 }
169 }
170 break;
171
172 case QLFC_FCP_PRIO_GET_CONFIG:
173 len = bsg_job->reply_payload.payload_len;
174 if (!len || len > FCP_PRIO_CFG_SIZE) {
175 ret = -EINVAL;
176 bsg_job->reply->result = (DID_ERROR << 16);
177 goto exit_fcp_prio_cfg;
178 }
179
180 bsg_job->reply->result = DID_OK;
181 bsg_job->reply->reply_payload_rcv_len =
182 sg_copy_from_buffer(
183 bsg_job->reply_payload.sg_list,
184 bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
185 len);
186
187 break;
188
189 case QLFC_FCP_PRIO_SET_CONFIG:
190 len = bsg_job->request_payload.payload_len;
191 if (!len || len > FCP_PRIO_CFG_SIZE) {
192 bsg_job->reply->result = (DID_ERROR << 16);
193 ret = -EINVAL;
194 goto exit_fcp_prio_cfg;
195 }
196
197 if (!ha->fcp_prio_cfg) {
198 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
199 if (!ha->fcp_prio_cfg) {
200 ql_log(ql_log_warn, vha, 0x7050,
201 "Unable to allocate memory for fcp prio "
202 "config data (%x).\n", FCP_PRIO_CFG_SIZE);
203 bsg_job->reply->result = (DID_ERROR << 16);
204 ret = -ENOMEM;
205 goto exit_fcp_prio_cfg;
206 }
207 }
208
209 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
210 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
211 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
212 FCP_PRIO_CFG_SIZE);
213
214 /* validate fcp priority data */
215
216 if (!qla24xx_fcp_prio_cfg_valid(vha,
217 (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
218 bsg_job->reply->result = (DID_ERROR << 16);
219 ret = -EINVAL;
220 /* If buffer was invalidatic int
221 * fcp_prio_cfg is of no use
222 */
223 vfree(ha->fcp_prio_cfg);
224 ha->fcp_prio_cfg = NULL;
225 goto exit_fcp_prio_cfg;
226 }
227
228 ha->flags.fcp_prio_enabled = 0;
229 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
230 ha->flags.fcp_prio_enabled = 1;
231 qla24xx_update_all_fcp_prio(vha);
232 bsg_job->reply->result = DID_OK;
233 break;
234 default:
235 ret = -EINVAL;
236 break;
237 }
238 exit_fcp_prio_cfg:
239 if (!ret)
240 bsg_job->job_done(bsg_job);
241 return ret;
242 }
243
244 static int
qla2x00_process_els(struct fc_bsg_job * bsg_job)245 qla2x00_process_els(struct fc_bsg_job *bsg_job)
246 {
247 struct fc_rport *rport;
248 fc_port_t *fcport = NULL;
249 struct Scsi_Host *host;
250 scsi_qla_host_t *vha;
251 struct qla_hw_data *ha;
252 srb_t *sp;
253 const char *type;
254 int req_sg_cnt, rsp_sg_cnt;
255 int rval = (DID_ERROR << 16);
256 uint16_t nextlid = 0;
257
258 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
259 rport = bsg_job->rport;
260 fcport = *(fc_port_t **) rport->dd_data;
261 host = rport_to_shost(rport);
262 vha = shost_priv(host);
263 ha = vha->hw;
264 type = "FC_BSG_RPT_ELS";
265 } else {
266 host = bsg_job->shost;
267 vha = shost_priv(host);
268 ha = vha->hw;
269 type = "FC_BSG_HST_ELS_NOLOGIN";
270 }
271
272 if (!vha->flags.online) {
273 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
274 rval = -EIO;
275 goto done;
276 }
277
278 /* pass through is supported only for ISP 4Gb or higher */
279 if (!IS_FWI2_CAPABLE(ha)) {
280 ql_dbg(ql_dbg_user, vha, 0x7001,
281 "ELS passthru not supported for ISP23xx based adapters.\n");
282 rval = -EPERM;
283 goto done;
284 }
285
286 /* Multiple SG's are not supported for ELS requests */
287 if (bsg_job->request_payload.sg_cnt > 1 ||
288 bsg_job->reply_payload.sg_cnt > 1) {
289 ql_dbg(ql_dbg_user, vha, 0x7002,
290 "Multiple SG's are not suppored for ELS requests, "
291 "request_sg_cnt=%x reply_sg_cnt=%x.\n",
292 bsg_job->request_payload.sg_cnt,
293 bsg_job->reply_payload.sg_cnt);
294 rval = -EPERM;
295 goto done;
296 }
297
298 /* ELS request for rport */
299 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
300 /* make sure the rport is logged in,
301 * if not perform fabric login
302 */
303 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
304 ql_dbg(ql_dbg_user, vha, 0x7003,
305 "Failed to login port %06X for ELS passthru.\n",
306 fcport->d_id.b24);
307 rval = -EIO;
308 goto done;
309 }
310 } else {
311 /* Allocate a dummy fcport structure, since functions
312 * preparing the IOCB and mailbox command retrieves port
313 * specific information from fcport structure. For Host based
314 * ELS commands there will be no fcport structure allocated
315 */
316 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
317 if (!fcport) {
318 rval = -ENOMEM;
319 goto done;
320 }
321
322 /* Initialize all required fields of fcport */
323 fcport->vha = vha;
324 fcport->d_id.b.al_pa =
325 bsg_job->request->rqst_data.h_els.port_id[0];
326 fcport->d_id.b.area =
327 bsg_job->request->rqst_data.h_els.port_id[1];
328 fcport->d_id.b.domain =
329 bsg_job->request->rqst_data.h_els.port_id[2];
330 fcport->loop_id =
331 (fcport->d_id.b.al_pa == 0xFD) ?
332 NPH_FABRIC_CONTROLLER : NPH_F_PORT;
333 }
334
335 req_sg_cnt =
336 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
337 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
338 if (!req_sg_cnt) {
339 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
340 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
341 rval = -ENOMEM;
342 goto done_free_fcport;
343 }
344
345 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
346 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
347 if (!rsp_sg_cnt) {
348 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
349 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
350 rval = -ENOMEM;
351 goto done_free_fcport;
352 }
353
354 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
355 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
356 ql_log(ql_log_warn, vha, 0x7008,
357 "dma mapping resulted in different sg counts, "
358 "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
359 "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
360 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
361 rval = -EAGAIN;
362 goto done_unmap_sg;
363 }
364
365 /* Alloc SRB structure */
366 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
367 if (!sp) {
368 rval = -ENOMEM;
369 goto done_unmap_sg;
370 }
371
372 sp->type =
373 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
374 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
375 sp->name =
376 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
377 "bsg_els_rpt" : "bsg_els_hst");
378 sp->u.bsg_job = bsg_job;
379 sp->free = qla2x00_bsg_sp_free;
380 sp->done = qla2x00_bsg_job_done;
381
382 ql_dbg(ql_dbg_user, vha, 0x700a,
383 "bsg rqst type: %s els type: %x - loop-id=%x "
384 "portid=%-2x%02x%02x.\n", type,
385 bsg_job->request->rqst_data.h_els.command_code, fcport->loop_id,
386 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
387
388 rval = qla2x00_start_sp(sp);
389 if (rval != QLA_SUCCESS) {
390 ql_log(ql_log_warn, vha, 0x700e,
391 "qla2x00_start_sp failed = %d\n", rval);
392 qla2x00_rel_sp(vha, sp);
393 rval = -EIO;
394 goto done_unmap_sg;
395 }
396 return rval;
397
398 done_unmap_sg:
399 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
400 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
401 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
402 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
403 goto done_free_fcport;
404
405 done_free_fcport:
406 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS)
407 kfree(fcport);
408 done:
409 return rval;
410 }
411
412 static inline uint16_t
qla24xx_calc_ct_iocbs(uint16_t dsds)413 qla24xx_calc_ct_iocbs(uint16_t dsds)
414 {
415 uint16_t iocbs;
416
417 iocbs = 1;
418 if (dsds > 2) {
419 iocbs += (dsds - 2) / 5;
420 if ((dsds - 2) % 5)
421 iocbs++;
422 }
423 return iocbs;
424 }
425
426 static int
qla2x00_process_ct(struct fc_bsg_job * bsg_job)427 qla2x00_process_ct(struct fc_bsg_job *bsg_job)
428 {
429 srb_t *sp;
430 struct Scsi_Host *host = bsg_job->shost;
431 scsi_qla_host_t *vha = shost_priv(host);
432 struct qla_hw_data *ha = vha->hw;
433 int rval = (DID_ERROR << 16);
434 int req_sg_cnt, rsp_sg_cnt;
435 uint16_t loop_id;
436 struct fc_port *fcport;
437 char *type = "FC_BSG_HST_CT";
438
439 req_sg_cnt =
440 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
441 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
442 if (!req_sg_cnt) {
443 ql_log(ql_log_warn, vha, 0x700f,
444 "dma_map_sg return %d for request\n", req_sg_cnt);
445 rval = -ENOMEM;
446 goto done;
447 }
448
449 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
450 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
451 if (!rsp_sg_cnt) {
452 ql_log(ql_log_warn, vha, 0x7010,
453 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
454 rval = -ENOMEM;
455 goto done;
456 }
457
458 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
459 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
460 ql_log(ql_log_warn, vha, 0x7011,
461 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
462 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
463 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
464 rval = -EAGAIN;
465 goto done_unmap_sg;
466 }
467
468 if (!vha->flags.online) {
469 ql_log(ql_log_warn, vha, 0x7012,
470 "Host is not online.\n");
471 rval = -EIO;
472 goto done_unmap_sg;
473 }
474
475 loop_id =
476 (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
477 >> 24;
478 switch (loop_id) {
479 case 0xFC:
480 loop_id = cpu_to_le16(NPH_SNS);
481 break;
482 case 0xFA:
483 loop_id = vha->mgmt_svr_loop_id;
484 break;
485 default:
486 ql_dbg(ql_dbg_user, vha, 0x7013,
487 "Unknown loop id: %x.\n", loop_id);
488 rval = -EINVAL;
489 goto done_unmap_sg;
490 }
491
492 /* Allocate a dummy fcport structure, since functions preparing the
493 * IOCB and mailbox command retrieves port specific information
494 * from fcport structure. For Host based ELS commands there will be
495 * no fcport structure allocated
496 */
497 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
498 if (!fcport) {
499 ql_log(ql_log_warn, vha, 0x7014,
500 "Failed to allocate fcport.\n");
501 rval = -ENOMEM;
502 goto done_unmap_sg;
503 }
504
505 /* Initialize all required fields of fcport */
506 fcport->vha = vha;
507 fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
508 fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
509 fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
510 fcport->loop_id = loop_id;
511
512 /* Alloc SRB structure */
513 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
514 if (!sp) {
515 ql_log(ql_log_warn, vha, 0x7015,
516 "qla2x00_get_sp failed.\n");
517 rval = -ENOMEM;
518 goto done_free_fcport;
519 }
520
521 sp->type = SRB_CT_CMD;
522 sp->name = "bsg_ct";
523 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
524 sp->u.bsg_job = bsg_job;
525 sp->free = qla2x00_bsg_sp_free;
526 sp->done = qla2x00_bsg_job_done;
527
528 ql_dbg(ql_dbg_user, vha, 0x7016,
529 "bsg rqst type: %s else type: %x - "
530 "loop-id=%x portid=%02x%02x%02x.\n", type,
531 (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
532 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
533 fcport->d_id.b.al_pa);
534
535 rval = qla2x00_start_sp(sp);
536 if (rval != QLA_SUCCESS) {
537 ql_log(ql_log_warn, vha, 0x7017,
538 "qla2x00_start_sp failed=%d.\n", rval);
539 qla2x00_rel_sp(vha, sp);
540 rval = -EIO;
541 goto done_free_fcport;
542 }
543 return rval;
544
545 done_free_fcport:
546 kfree(fcport);
547 done_unmap_sg:
548 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
549 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
550 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
551 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
552 done:
553 return rval;
554 }
555
556 /* Disable loopback mode */
557 static inline int
qla81xx_reset_loopback_mode(scsi_qla_host_t * vha,uint16_t * config,int wait,int wait2)558 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
559 int wait, int wait2)
560 {
561 int ret = 0;
562 int rval = 0;
563 uint16_t new_config[4];
564 struct qla_hw_data *ha = vha->hw;
565
566 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
567 goto done_reset_internal;
568
569 memset(new_config, 0 , sizeof(new_config));
570 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
571 ENABLE_INTERNAL_LOOPBACK ||
572 (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
573 ENABLE_EXTERNAL_LOOPBACK) {
574 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
575 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
576 (new_config[0] & INTERNAL_LOOPBACK_MASK));
577 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
578
579 ha->notify_dcbx_comp = wait;
580 ha->notify_lb_portup_comp = wait2;
581
582 ret = qla81xx_set_port_config(vha, new_config);
583 if (ret != QLA_SUCCESS) {
584 ql_log(ql_log_warn, vha, 0x7025,
585 "Set port config failed.\n");
586 ha->notify_dcbx_comp = 0;
587 ha->notify_lb_portup_comp = 0;
588 rval = -EINVAL;
589 goto done_reset_internal;
590 }
591
592 /* Wait for DCBX complete event */
593 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
594 (DCBX_COMP_TIMEOUT * HZ))) {
595 ql_dbg(ql_dbg_user, vha, 0x7026,
596 "DCBX completion not received.\n");
597 ha->notify_dcbx_comp = 0;
598 ha->notify_lb_portup_comp = 0;
599 rval = -EINVAL;
600 goto done_reset_internal;
601 } else
602 ql_dbg(ql_dbg_user, vha, 0x7027,
603 "DCBX completion received.\n");
604
605 if (wait2 &&
606 !wait_for_completion_timeout(&ha->lb_portup_comp,
607 (LB_PORTUP_COMP_TIMEOUT * HZ))) {
608 ql_dbg(ql_dbg_user, vha, 0x70c5,
609 "Port up completion not received.\n");
610 ha->notify_lb_portup_comp = 0;
611 rval = -EINVAL;
612 goto done_reset_internal;
613 } else
614 ql_dbg(ql_dbg_user, vha, 0x70c6,
615 "Port up completion received.\n");
616
617 ha->notify_dcbx_comp = 0;
618 ha->notify_lb_portup_comp = 0;
619 }
620 done_reset_internal:
621 return rval;
622 }
623
624 /*
625 * Set the port configuration to enable the internal or external loopback
626 * depending on the loopback mode.
627 */
628 static inline int
qla81xx_set_loopback_mode(scsi_qla_host_t * vha,uint16_t * config,uint16_t * new_config,uint16_t mode)629 qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
630 uint16_t *new_config, uint16_t mode)
631 {
632 int ret = 0;
633 int rval = 0;
634 unsigned long rem_tmo = 0, current_tmo = 0;
635 struct qla_hw_data *ha = vha->hw;
636
637 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
638 goto done_set_internal;
639
640 if (mode == INTERNAL_LOOPBACK)
641 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
642 else if (mode == EXTERNAL_LOOPBACK)
643 new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
644 ql_dbg(ql_dbg_user, vha, 0x70be,
645 "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
646
647 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
648
649 ha->notify_dcbx_comp = 1;
650 ret = qla81xx_set_port_config(vha, new_config);
651 if (ret != QLA_SUCCESS) {
652 ql_log(ql_log_warn, vha, 0x7021,
653 "set port config failed.\n");
654 ha->notify_dcbx_comp = 0;
655 rval = -EINVAL;
656 goto done_set_internal;
657 }
658
659 /* Wait for DCBX complete event */
660 current_tmo = DCBX_COMP_TIMEOUT * HZ;
661 while (1) {
662 rem_tmo = wait_for_completion_timeout(&ha->dcbx_comp,
663 current_tmo);
664 if (!ha->idc_extend_tmo || rem_tmo) {
665 ha->idc_extend_tmo = 0;
666 break;
667 }
668 current_tmo = ha->idc_extend_tmo * HZ;
669 ha->idc_extend_tmo = 0;
670 }
671
672 if (!rem_tmo) {
673 ql_dbg(ql_dbg_user, vha, 0x7022,
674 "DCBX completion not received.\n");
675 ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
676 /*
677 * If the reset of the loopback mode doesn't work take a FCoE
678 * dump and reset the chip.
679 */
680 if (ret) {
681 ha->isp_ops->fw_dump(vha, 0);
682 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
683 }
684 rval = -EINVAL;
685 } else {
686 if (ha->flags.idc_compl_status) {
687 ql_dbg(ql_dbg_user, vha, 0x70c3,
688 "Bad status in IDC Completion AEN\n");
689 rval = -EINVAL;
690 ha->flags.idc_compl_status = 0;
691 } else
692 ql_dbg(ql_dbg_user, vha, 0x7023,
693 "DCBX completion received.\n");
694 }
695
696 ha->notify_dcbx_comp = 0;
697 ha->idc_extend_tmo = 0;
698
699 done_set_internal:
700 return rval;
701 }
702
703 static int
qla2x00_process_loopback(struct fc_bsg_job * bsg_job)704 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
705 {
706 struct Scsi_Host *host = bsg_job->shost;
707 scsi_qla_host_t *vha = shost_priv(host);
708 struct qla_hw_data *ha = vha->hw;
709 int rval;
710 uint8_t command_sent;
711 char *type;
712 struct msg_echo_lb elreq;
713 uint16_t response[MAILBOX_REGISTER_COUNT];
714 uint16_t config[4], new_config[4];
715 uint8_t *fw_sts_ptr;
716 uint8_t *req_data = NULL;
717 dma_addr_t req_data_dma;
718 uint32_t req_data_len;
719 uint8_t *rsp_data = NULL;
720 dma_addr_t rsp_data_dma;
721 uint32_t rsp_data_len;
722
723 if (!vha->flags.online) {
724 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
725 return -EIO;
726 }
727
728 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
729 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
730 DMA_TO_DEVICE);
731
732 if (!elreq.req_sg_cnt) {
733 ql_log(ql_log_warn, vha, 0x701a,
734 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
735 return -ENOMEM;
736 }
737
738 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
739 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
740 DMA_FROM_DEVICE);
741
742 if (!elreq.rsp_sg_cnt) {
743 ql_log(ql_log_warn, vha, 0x701b,
744 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
745 rval = -ENOMEM;
746 goto done_unmap_req_sg;
747 }
748
749 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
750 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
751 ql_log(ql_log_warn, vha, 0x701c,
752 "dma mapping resulted in different sg counts, "
753 "request_sg_cnt: %x dma_request_sg_cnt: %x "
754 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
755 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
756 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
757 rval = -EAGAIN;
758 goto done_unmap_sg;
759 }
760 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
761 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
762 &req_data_dma, GFP_KERNEL);
763 if (!req_data) {
764 ql_log(ql_log_warn, vha, 0x701d,
765 "dma alloc failed for req_data.\n");
766 rval = -ENOMEM;
767 goto done_unmap_sg;
768 }
769
770 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
771 &rsp_data_dma, GFP_KERNEL);
772 if (!rsp_data) {
773 ql_log(ql_log_warn, vha, 0x7004,
774 "dma alloc failed for rsp_data.\n");
775 rval = -ENOMEM;
776 goto done_free_dma_req;
777 }
778
779 /* Copy the request buffer in req_data now */
780 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
781 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
782
783 elreq.send_dma = req_data_dma;
784 elreq.rcv_dma = rsp_data_dma;
785 elreq.transfer_size = req_data_len;
786
787 elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
788 elreq.iteration_count =
789 bsg_job->request->rqst_data.h_vendor.vendor_cmd[2];
790
791 if (atomic_read(&vha->loop_state) == LOOP_READY &&
792 (ha->current_topology == ISP_CFG_F ||
793 ((IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) &&
794 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
795 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
796 elreq.options == EXTERNAL_LOOPBACK) {
797 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
798 ql_dbg(ql_dbg_user, vha, 0x701e,
799 "BSG request type: %s.\n", type);
800 command_sent = INT_DEF_LB_ECHO_CMD;
801 rval = qla2x00_echo_test(vha, &elreq, response);
802 } else {
803 if (IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) {
804 memset(config, 0, sizeof(config));
805 memset(new_config, 0, sizeof(new_config));
806
807 if (qla81xx_get_port_config(vha, config)) {
808 ql_log(ql_log_warn, vha, 0x701f,
809 "Get port config failed.\n");
810 rval = -EPERM;
811 goto done_free_dma_rsp;
812 }
813
814 if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {
815 ql_dbg(ql_dbg_user, vha, 0x70c4,
816 "Loopback operation already in "
817 "progress.\n");
818 rval = -EAGAIN;
819 goto done_free_dma_rsp;
820 }
821
822 ql_dbg(ql_dbg_user, vha, 0x70c0,
823 "elreq.options=%04x\n", elreq.options);
824
825 if (elreq.options == EXTERNAL_LOOPBACK)
826 if (IS_QLA8031(ha) || IS_QLA8044(ha))
827 rval = qla81xx_set_loopback_mode(vha,
828 config, new_config, elreq.options);
829 else
830 rval = qla81xx_reset_loopback_mode(vha,
831 config, 1, 0);
832 else
833 rval = qla81xx_set_loopback_mode(vha, config,
834 new_config, elreq.options);
835
836 if (rval) {
837 rval = -EPERM;
838 goto done_free_dma_rsp;
839 }
840
841 type = "FC_BSG_HST_VENDOR_LOOPBACK";
842 ql_dbg(ql_dbg_user, vha, 0x7028,
843 "BSG request type: %s.\n", type);
844
845 command_sent = INT_DEF_LB_LOOPBACK_CMD;
846 rval = qla2x00_loopback_test(vha, &elreq, response);
847
848 if (response[0] == MBS_COMMAND_ERROR &&
849 response[1] == MBS_LB_RESET) {
850 ql_log(ql_log_warn, vha, 0x7029,
851 "MBX command error, Aborting ISP.\n");
852 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
853 qla2xxx_wake_dpc(vha);
854 qla2x00_wait_for_chip_reset(vha);
855 /* Also reset the MPI */
856 if (IS_QLA81XX(ha)) {
857 if (qla81xx_restart_mpi_firmware(vha) !=
858 QLA_SUCCESS) {
859 ql_log(ql_log_warn, vha, 0x702a,
860 "MPI reset failed.\n");
861 }
862 }
863
864 rval = -EIO;
865 goto done_free_dma_rsp;
866 }
867
868 if (new_config[0]) {
869 int ret;
870
871 /* Revert back to original port config
872 * Also clear internal loopback
873 */
874 ret = qla81xx_reset_loopback_mode(vha,
875 new_config, 0, 1);
876 if (ret) {
877 /*
878 * If the reset of the loopback mode
879 * doesn't work take FCoE dump and then
880 * reset the chip.
881 */
882 ha->isp_ops->fw_dump(vha, 0);
883 set_bit(ISP_ABORT_NEEDED,
884 &vha->dpc_flags);
885 }
886
887 }
888
889 } else {
890 type = "FC_BSG_HST_VENDOR_LOOPBACK";
891 ql_dbg(ql_dbg_user, vha, 0x702b,
892 "BSG request type: %s.\n", type);
893 command_sent = INT_DEF_LB_LOOPBACK_CMD;
894 rval = qla2x00_loopback_test(vha, &elreq, response);
895 }
896 }
897
898 if (rval) {
899 ql_log(ql_log_warn, vha, 0x702c,
900 "Vendor request %s failed.\n", type);
901
902 rval = 0;
903 bsg_job->reply->result = (DID_ERROR << 16);
904 bsg_job->reply->reply_payload_rcv_len = 0;
905 } else {
906 ql_dbg(ql_dbg_user, vha, 0x702d,
907 "Vendor request %s completed.\n", type);
908 bsg_job->reply->result = (DID_OK << 16);
909 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
910 bsg_job->reply_payload.sg_cnt, rsp_data,
911 rsp_data_len);
912 }
913
914 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
915 sizeof(response) + sizeof(uint8_t);
916 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
917 sizeof(struct fc_bsg_reply);
918 memcpy(fw_sts_ptr, response, sizeof(response));
919 fw_sts_ptr += sizeof(response);
920 *fw_sts_ptr = command_sent;
921
922 done_free_dma_rsp:
923 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
924 rsp_data, rsp_data_dma);
925 done_free_dma_req:
926 dma_free_coherent(&ha->pdev->dev, req_data_len,
927 req_data, req_data_dma);
928 done_unmap_sg:
929 dma_unmap_sg(&ha->pdev->dev,
930 bsg_job->reply_payload.sg_list,
931 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
932 done_unmap_req_sg:
933 dma_unmap_sg(&ha->pdev->dev,
934 bsg_job->request_payload.sg_list,
935 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
936 if (!rval)
937 bsg_job->job_done(bsg_job);
938 return rval;
939 }
940
941 static int
qla84xx_reset(struct fc_bsg_job * bsg_job)942 qla84xx_reset(struct fc_bsg_job *bsg_job)
943 {
944 struct Scsi_Host *host = bsg_job->shost;
945 scsi_qla_host_t *vha = shost_priv(host);
946 struct qla_hw_data *ha = vha->hw;
947 int rval = 0;
948 uint32_t flag;
949
950 if (!IS_QLA84XX(ha)) {
951 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
952 return -EINVAL;
953 }
954
955 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
956
957 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
958
959 if (rval) {
960 ql_log(ql_log_warn, vha, 0x7030,
961 "Vendor request 84xx reset failed.\n");
962 rval = (DID_ERROR << 16);
963
964 } else {
965 ql_dbg(ql_dbg_user, vha, 0x7031,
966 "Vendor request 84xx reset completed.\n");
967 bsg_job->reply->result = DID_OK;
968 bsg_job->job_done(bsg_job);
969 }
970
971 return rval;
972 }
973
974 static int
qla84xx_updatefw(struct fc_bsg_job * bsg_job)975 qla84xx_updatefw(struct fc_bsg_job *bsg_job)
976 {
977 struct Scsi_Host *host = bsg_job->shost;
978 scsi_qla_host_t *vha = shost_priv(host);
979 struct qla_hw_data *ha = vha->hw;
980 struct verify_chip_entry_84xx *mn = NULL;
981 dma_addr_t mn_dma, fw_dma;
982 void *fw_buf = NULL;
983 int rval = 0;
984 uint32_t sg_cnt;
985 uint32_t data_len;
986 uint16_t options;
987 uint32_t flag;
988 uint32_t fw_ver;
989
990 if (!IS_QLA84XX(ha)) {
991 ql_dbg(ql_dbg_user, vha, 0x7032,
992 "Not 84xx, exiting.\n");
993 return -EINVAL;
994 }
995
996 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
997 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
998 if (!sg_cnt) {
999 ql_log(ql_log_warn, vha, 0x7033,
1000 "dma_map_sg returned %d for request.\n", sg_cnt);
1001 return -ENOMEM;
1002 }
1003
1004 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1005 ql_log(ql_log_warn, vha, 0x7034,
1006 "DMA mapping resulted in different sg counts, "
1007 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1008 bsg_job->request_payload.sg_cnt, sg_cnt);
1009 rval = -EAGAIN;
1010 goto done_unmap_sg;
1011 }
1012
1013 data_len = bsg_job->request_payload.payload_len;
1014 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
1015 &fw_dma, GFP_KERNEL);
1016 if (!fw_buf) {
1017 ql_log(ql_log_warn, vha, 0x7035,
1018 "DMA alloc failed for fw_buf.\n");
1019 rval = -ENOMEM;
1020 goto done_unmap_sg;
1021 }
1022
1023 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1024 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
1025
1026 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1027 if (!mn) {
1028 ql_log(ql_log_warn, vha, 0x7036,
1029 "DMA alloc failed for fw buffer.\n");
1030 rval = -ENOMEM;
1031 goto done_free_fw_buf;
1032 }
1033
1034 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1035 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
1036
1037 memset(mn, 0, sizeof(struct access_chip_84xx));
1038 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
1039 mn->entry_count = 1;
1040
1041 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
1042 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
1043 options |= VCO_DIAG_FW;
1044
1045 mn->options = cpu_to_le16(options);
1046 mn->fw_ver = cpu_to_le32(fw_ver);
1047 mn->fw_size = cpu_to_le32(data_len);
1048 mn->fw_seq_size = cpu_to_le32(data_len);
1049 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
1050 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
1051 mn->dseg_length = cpu_to_le32(data_len);
1052 mn->data_seg_cnt = cpu_to_le16(1);
1053
1054 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
1055
1056 if (rval) {
1057 ql_log(ql_log_warn, vha, 0x7037,
1058 "Vendor request 84xx updatefw failed.\n");
1059
1060 rval = (DID_ERROR << 16);
1061 } else {
1062 ql_dbg(ql_dbg_user, vha, 0x7038,
1063 "Vendor request 84xx updatefw completed.\n");
1064
1065 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1066 bsg_job->reply->result = DID_OK;
1067 }
1068
1069 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1070
1071 done_free_fw_buf:
1072 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
1073
1074 done_unmap_sg:
1075 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1076 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1077
1078 if (!rval)
1079 bsg_job->job_done(bsg_job);
1080 return rval;
1081 }
1082
1083 static int
qla84xx_mgmt_cmd(struct fc_bsg_job * bsg_job)1084 qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
1085 {
1086 struct Scsi_Host *host = bsg_job->shost;
1087 scsi_qla_host_t *vha = shost_priv(host);
1088 struct qla_hw_data *ha = vha->hw;
1089 struct access_chip_84xx *mn = NULL;
1090 dma_addr_t mn_dma, mgmt_dma;
1091 void *mgmt_b = NULL;
1092 int rval = 0;
1093 struct qla_bsg_a84_mgmt *ql84_mgmt;
1094 uint32_t sg_cnt;
1095 uint32_t data_len = 0;
1096 uint32_t dma_direction = DMA_NONE;
1097
1098 if (!IS_QLA84XX(ha)) {
1099 ql_log(ql_log_warn, vha, 0x703a,
1100 "Not 84xx, exiting.\n");
1101 return -EINVAL;
1102 }
1103
1104 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1105 if (!mn) {
1106 ql_log(ql_log_warn, vha, 0x703c,
1107 "DMA alloc failed for fw buffer.\n");
1108 return -ENOMEM;
1109 }
1110
1111 memset(mn, 0, sizeof(struct access_chip_84xx));
1112 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1113 mn->entry_count = 1;
1114 ql84_mgmt = (void *)bsg_job->request + sizeof(struct fc_bsg_request);
1115 switch (ql84_mgmt->mgmt.cmd) {
1116 case QLA84_MGMT_READ_MEM:
1117 case QLA84_MGMT_GET_INFO:
1118 sg_cnt = dma_map_sg(&ha->pdev->dev,
1119 bsg_job->reply_payload.sg_list,
1120 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1121 if (!sg_cnt) {
1122 ql_log(ql_log_warn, vha, 0x703d,
1123 "dma_map_sg returned %d for reply.\n", sg_cnt);
1124 rval = -ENOMEM;
1125 goto exit_mgmt;
1126 }
1127
1128 dma_direction = DMA_FROM_DEVICE;
1129
1130 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1131 ql_log(ql_log_warn, vha, 0x703e,
1132 "DMA mapping resulted in different sg counts, "
1133 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1134 bsg_job->reply_payload.sg_cnt, sg_cnt);
1135 rval = -EAGAIN;
1136 goto done_unmap_sg;
1137 }
1138
1139 data_len = bsg_job->reply_payload.payload_len;
1140
1141 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1142 &mgmt_dma, GFP_KERNEL);
1143 if (!mgmt_b) {
1144 ql_log(ql_log_warn, vha, 0x703f,
1145 "DMA alloc failed for mgmt_b.\n");
1146 rval = -ENOMEM;
1147 goto done_unmap_sg;
1148 }
1149
1150 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1151 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1152 mn->parameter1 =
1153 cpu_to_le32(
1154 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1155
1156 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1157 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1158 mn->parameter1 =
1159 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1160
1161 mn->parameter2 =
1162 cpu_to_le32(
1163 ql84_mgmt->mgmt.mgmtp.u.info.context);
1164 }
1165 break;
1166
1167 case QLA84_MGMT_WRITE_MEM:
1168 sg_cnt = dma_map_sg(&ha->pdev->dev,
1169 bsg_job->request_payload.sg_list,
1170 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1171
1172 if (!sg_cnt) {
1173 ql_log(ql_log_warn, vha, 0x7040,
1174 "dma_map_sg returned %d.\n", sg_cnt);
1175 rval = -ENOMEM;
1176 goto exit_mgmt;
1177 }
1178
1179 dma_direction = DMA_TO_DEVICE;
1180
1181 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1182 ql_log(ql_log_warn, vha, 0x7041,
1183 "DMA mapping resulted in different sg counts, "
1184 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1185 bsg_job->request_payload.sg_cnt, sg_cnt);
1186 rval = -EAGAIN;
1187 goto done_unmap_sg;
1188 }
1189
1190 data_len = bsg_job->request_payload.payload_len;
1191 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1192 &mgmt_dma, GFP_KERNEL);
1193 if (!mgmt_b) {
1194 ql_log(ql_log_warn, vha, 0x7042,
1195 "DMA alloc failed for mgmt_b.\n");
1196 rval = -ENOMEM;
1197 goto done_unmap_sg;
1198 }
1199
1200 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1201 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1202
1203 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1204 mn->parameter1 =
1205 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1206 break;
1207
1208 case QLA84_MGMT_CHNG_CONFIG:
1209 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1210 mn->parameter1 =
1211 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1212
1213 mn->parameter2 =
1214 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1215
1216 mn->parameter3 =
1217 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1218 break;
1219
1220 default:
1221 rval = -EIO;
1222 goto exit_mgmt;
1223 }
1224
1225 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1226 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1227 mn->dseg_count = cpu_to_le16(1);
1228 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1229 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1230 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1231 }
1232
1233 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1234
1235 if (rval) {
1236 ql_log(ql_log_warn, vha, 0x7043,
1237 "Vendor request 84xx mgmt failed.\n");
1238
1239 rval = (DID_ERROR << 16);
1240
1241 } else {
1242 ql_dbg(ql_dbg_user, vha, 0x7044,
1243 "Vendor request 84xx mgmt completed.\n");
1244
1245 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1246 bsg_job->reply->result = DID_OK;
1247
1248 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1249 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1250 bsg_job->reply->reply_payload_rcv_len =
1251 bsg_job->reply_payload.payload_len;
1252
1253 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1254 bsg_job->reply_payload.sg_cnt, mgmt_b,
1255 data_len);
1256 }
1257 }
1258
1259 done_unmap_sg:
1260 if (mgmt_b)
1261 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1262
1263 if (dma_direction == DMA_TO_DEVICE)
1264 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1265 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1266 else if (dma_direction == DMA_FROM_DEVICE)
1267 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1268 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1269
1270 exit_mgmt:
1271 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1272
1273 if (!rval)
1274 bsg_job->job_done(bsg_job);
1275 return rval;
1276 }
1277
1278 static int
qla24xx_iidma(struct fc_bsg_job * bsg_job)1279 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1280 {
1281 struct Scsi_Host *host = bsg_job->shost;
1282 scsi_qla_host_t *vha = shost_priv(host);
1283 int rval = 0;
1284 struct qla_port_param *port_param = NULL;
1285 fc_port_t *fcport = NULL;
1286 int found = 0;
1287 uint16_t mb[MAILBOX_REGISTER_COUNT];
1288 uint8_t *rsp_ptr = NULL;
1289
1290 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1291 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1292 return -EINVAL;
1293 }
1294
1295 port_param = (void *)bsg_job->request + sizeof(struct fc_bsg_request);
1296 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1297 ql_log(ql_log_warn, vha, 0x7048,
1298 "Invalid destination type.\n");
1299 return -EINVAL;
1300 }
1301
1302 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1303 if (fcport->port_type != FCT_TARGET)
1304 continue;
1305
1306 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1307 fcport->port_name, sizeof(fcport->port_name)))
1308 continue;
1309
1310 found = 1;
1311 break;
1312 }
1313
1314 if (!found) {
1315 ql_log(ql_log_warn, vha, 0x7049,
1316 "Failed to find port.\n");
1317 return -EINVAL;
1318 }
1319
1320 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1321 ql_log(ql_log_warn, vha, 0x704a,
1322 "Port is not online.\n");
1323 return -EINVAL;
1324 }
1325
1326 if (fcport->flags & FCF_LOGIN_NEEDED) {
1327 ql_log(ql_log_warn, vha, 0x704b,
1328 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1329 return -EINVAL;
1330 }
1331
1332 if (port_param->mode)
1333 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1334 port_param->speed, mb);
1335 else
1336 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1337 &port_param->speed, mb);
1338
1339 if (rval) {
1340 ql_log(ql_log_warn, vha, 0x704c,
1341 "iIDMA cmd failed for %8phN -- "
1342 "%04x %x %04x %04x.\n", fcport->port_name,
1343 rval, fcport->fp_speed, mb[0], mb[1]);
1344 rval = (DID_ERROR << 16);
1345 } else {
1346 if (!port_param->mode) {
1347 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1348 sizeof(struct qla_port_param);
1349
1350 rsp_ptr = ((uint8_t *)bsg_job->reply) +
1351 sizeof(struct fc_bsg_reply);
1352
1353 memcpy(rsp_ptr, port_param,
1354 sizeof(struct qla_port_param));
1355 }
1356
1357 bsg_job->reply->result = DID_OK;
1358 bsg_job->job_done(bsg_job);
1359 }
1360
1361 return rval;
1362 }
1363
1364 static int
qla2x00_optrom_setup(struct fc_bsg_job * bsg_job,scsi_qla_host_t * vha,uint8_t is_update)1365 qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
1366 uint8_t is_update)
1367 {
1368 uint32_t start = 0;
1369 int valid = 0;
1370 struct qla_hw_data *ha = vha->hw;
1371
1372 if (unlikely(pci_channel_offline(ha->pdev)))
1373 return -EINVAL;
1374
1375 start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1376 if (start > ha->optrom_size) {
1377 ql_log(ql_log_warn, vha, 0x7055,
1378 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1379 return -EINVAL;
1380 }
1381
1382 if (ha->optrom_state != QLA_SWAITING) {
1383 ql_log(ql_log_info, vha, 0x7056,
1384 "optrom_state %d.\n", ha->optrom_state);
1385 return -EBUSY;
1386 }
1387
1388 ha->optrom_region_start = start;
1389 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1390 if (is_update) {
1391 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1392 valid = 1;
1393 else if (start == (ha->flt_region_boot * 4) ||
1394 start == (ha->flt_region_fw * 4))
1395 valid = 1;
1396 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1397 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha))
1398 valid = 1;
1399 if (!valid) {
1400 ql_log(ql_log_warn, vha, 0x7058,
1401 "Invalid start region 0x%x/0x%x.\n", start,
1402 bsg_job->request_payload.payload_len);
1403 return -EINVAL;
1404 }
1405
1406 ha->optrom_region_size = start +
1407 bsg_job->request_payload.payload_len > ha->optrom_size ?
1408 ha->optrom_size - start :
1409 bsg_job->request_payload.payload_len;
1410 ha->optrom_state = QLA_SWRITING;
1411 } else {
1412 ha->optrom_region_size = start +
1413 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1414 ha->optrom_size - start :
1415 bsg_job->reply_payload.payload_len;
1416 ha->optrom_state = QLA_SREADING;
1417 }
1418
1419 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1420 if (!ha->optrom_buffer) {
1421 ql_log(ql_log_warn, vha, 0x7059,
1422 "Read: Unable to allocate memory for optrom retrieval "
1423 "(%x)\n", ha->optrom_region_size);
1424
1425 ha->optrom_state = QLA_SWAITING;
1426 return -ENOMEM;
1427 }
1428
1429 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1430 return 0;
1431 }
1432
1433 static int
qla2x00_read_optrom(struct fc_bsg_job * bsg_job)1434 qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
1435 {
1436 struct Scsi_Host *host = bsg_job->shost;
1437 scsi_qla_host_t *vha = shost_priv(host);
1438 struct qla_hw_data *ha = vha->hw;
1439 int rval = 0;
1440
1441 if (ha->flags.nic_core_reset_hdlr_active)
1442 return -EBUSY;
1443
1444 mutex_lock(&ha->optrom_mutex);
1445 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1446 if (rval) {
1447 mutex_unlock(&ha->optrom_mutex);
1448 return rval;
1449 }
1450
1451 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1452 ha->optrom_region_start, ha->optrom_region_size);
1453
1454 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1455 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1456 ha->optrom_region_size);
1457
1458 bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
1459 bsg_job->reply->result = DID_OK;
1460 vfree(ha->optrom_buffer);
1461 ha->optrom_buffer = NULL;
1462 ha->optrom_state = QLA_SWAITING;
1463 mutex_unlock(&ha->optrom_mutex);
1464 bsg_job->job_done(bsg_job);
1465 return rval;
1466 }
1467
1468 static int
qla2x00_update_optrom(struct fc_bsg_job * bsg_job)1469 qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
1470 {
1471 struct Scsi_Host *host = bsg_job->shost;
1472 scsi_qla_host_t *vha = shost_priv(host);
1473 struct qla_hw_data *ha = vha->hw;
1474 int rval = 0;
1475
1476 mutex_lock(&ha->optrom_mutex);
1477 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1478 if (rval) {
1479 mutex_unlock(&ha->optrom_mutex);
1480 return rval;
1481 }
1482
1483 /* Set the isp82xx_no_md_cap not to capture minidump */
1484 ha->flags.isp82xx_no_md_cap = 1;
1485
1486 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1487 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1488 ha->optrom_region_size);
1489
1490 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1491 ha->optrom_region_start, ha->optrom_region_size);
1492
1493 bsg_job->reply->result = DID_OK;
1494 vfree(ha->optrom_buffer);
1495 ha->optrom_buffer = NULL;
1496 ha->optrom_state = QLA_SWAITING;
1497 mutex_unlock(&ha->optrom_mutex);
1498 bsg_job->job_done(bsg_job);
1499 return rval;
1500 }
1501
1502 static int
qla2x00_update_fru_versions(struct fc_bsg_job * bsg_job)1503 qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
1504 {
1505 struct Scsi_Host *host = bsg_job->shost;
1506 scsi_qla_host_t *vha = shost_priv(host);
1507 struct qla_hw_data *ha = vha->hw;
1508 int rval = 0;
1509 uint8_t bsg[DMA_POOL_SIZE];
1510 struct qla_image_version_list *list = (void *)bsg;
1511 struct qla_image_version *image;
1512 uint32_t count;
1513 dma_addr_t sfp_dma;
1514 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1515 if (!sfp) {
1516 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1517 EXT_STATUS_NO_MEMORY;
1518 goto done;
1519 }
1520
1521 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1522 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1523
1524 image = list->version;
1525 count = list->count;
1526 while (count--) {
1527 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1528 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1529 image->field_address.device, image->field_address.offset,
1530 sizeof(image->field_info), image->field_address.option);
1531 if (rval) {
1532 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1533 EXT_STATUS_MAILBOX;
1534 goto dealloc;
1535 }
1536 image++;
1537 }
1538
1539 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1540
1541 dealloc:
1542 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1543
1544 done:
1545 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1546 bsg_job->reply->result = DID_OK << 16;
1547 bsg_job->job_done(bsg_job);
1548
1549 return 0;
1550 }
1551
1552 static int
qla2x00_read_fru_status(struct fc_bsg_job * bsg_job)1553 qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
1554 {
1555 struct Scsi_Host *host = bsg_job->shost;
1556 scsi_qla_host_t *vha = shost_priv(host);
1557 struct qla_hw_data *ha = vha->hw;
1558 int rval = 0;
1559 uint8_t bsg[DMA_POOL_SIZE];
1560 struct qla_status_reg *sr = (void *)bsg;
1561 dma_addr_t sfp_dma;
1562 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1563 if (!sfp) {
1564 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1565 EXT_STATUS_NO_MEMORY;
1566 goto done;
1567 }
1568
1569 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1570 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1571
1572 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1573 sr->field_address.device, sr->field_address.offset,
1574 sizeof(sr->status_reg), sr->field_address.option);
1575 sr->status_reg = *sfp;
1576
1577 if (rval) {
1578 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1579 EXT_STATUS_MAILBOX;
1580 goto dealloc;
1581 }
1582
1583 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1584 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1585
1586 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1587
1588 dealloc:
1589 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1590
1591 done:
1592 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1593 bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
1594 bsg_job->reply->result = DID_OK << 16;
1595 bsg_job->job_done(bsg_job);
1596
1597 return 0;
1598 }
1599
1600 static int
qla2x00_write_fru_status(struct fc_bsg_job * bsg_job)1601 qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
1602 {
1603 struct Scsi_Host *host = bsg_job->shost;
1604 scsi_qla_host_t *vha = shost_priv(host);
1605 struct qla_hw_data *ha = vha->hw;
1606 int rval = 0;
1607 uint8_t bsg[DMA_POOL_SIZE];
1608 struct qla_status_reg *sr = (void *)bsg;
1609 dma_addr_t sfp_dma;
1610 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1611 if (!sfp) {
1612 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1613 EXT_STATUS_NO_MEMORY;
1614 goto done;
1615 }
1616
1617 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1618 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1619
1620 *sfp = sr->status_reg;
1621 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1622 sr->field_address.device, sr->field_address.offset,
1623 sizeof(sr->status_reg), sr->field_address.option);
1624
1625 if (rval) {
1626 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1627 EXT_STATUS_MAILBOX;
1628 goto dealloc;
1629 }
1630
1631 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1632
1633 dealloc:
1634 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1635
1636 done:
1637 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1638 bsg_job->reply->result = DID_OK << 16;
1639 bsg_job->job_done(bsg_job);
1640
1641 return 0;
1642 }
1643
1644 static int
qla2x00_write_i2c(struct fc_bsg_job * bsg_job)1645 qla2x00_write_i2c(struct fc_bsg_job *bsg_job)
1646 {
1647 struct Scsi_Host *host = bsg_job->shost;
1648 scsi_qla_host_t *vha = shost_priv(host);
1649 struct qla_hw_data *ha = vha->hw;
1650 int rval = 0;
1651 uint8_t bsg[DMA_POOL_SIZE];
1652 struct qla_i2c_access *i2c = (void *)bsg;
1653 dma_addr_t sfp_dma;
1654 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1655 if (!sfp) {
1656 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1657 EXT_STATUS_NO_MEMORY;
1658 goto done;
1659 }
1660
1661 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1662 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1663
1664 memcpy(sfp, i2c->buffer, i2c->length);
1665 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1666 i2c->device, i2c->offset, i2c->length, i2c->option);
1667
1668 if (rval) {
1669 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1670 EXT_STATUS_MAILBOX;
1671 goto dealloc;
1672 }
1673
1674 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1675
1676 dealloc:
1677 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1678
1679 done:
1680 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1681 bsg_job->reply->result = DID_OK << 16;
1682 bsg_job->job_done(bsg_job);
1683
1684 return 0;
1685 }
1686
1687 static int
qla2x00_read_i2c(struct fc_bsg_job * bsg_job)1688 qla2x00_read_i2c(struct fc_bsg_job *bsg_job)
1689 {
1690 struct Scsi_Host *host = bsg_job->shost;
1691 scsi_qla_host_t *vha = shost_priv(host);
1692 struct qla_hw_data *ha = vha->hw;
1693 int rval = 0;
1694 uint8_t bsg[DMA_POOL_SIZE];
1695 struct qla_i2c_access *i2c = (void *)bsg;
1696 dma_addr_t sfp_dma;
1697 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1698 if (!sfp) {
1699 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1700 EXT_STATUS_NO_MEMORY;
1701 goto done;
1702 }
1703
1704 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1705 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1706
1707 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1708 i2c->device, i2c->offset, i2c->length, i2c->option);
1709
1710 if (rval) {
1711 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1712 EXT_STATUS_MAILBOX;
1713 goto dealloc;
1714 }
1715
1716 memcpy(i2c->buffer, sfp, i2c->length);
1717 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1718 bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1719
1720 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1721
1722 dealloc:
1723 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1724
1725 done:
1726 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1727 bsg_job->reply->reply_payload_rcv_len = sizeof(*i2c);
1728 bsg_job->reply->result = DID_OK << 16;
1729 bsg_job->job_done(bsg_job);
1730
1731 return 0;
1732 }
1733
1734 static int
qla24xx_process_bidir_cmd(struct fc_bsg_job * bsg_job)1735 qla24xx_process_bidir_cmd(struct fc_bsg_job *bsg_job)
1736 {
1737 struct Scsi_Host *host = bsg_job->shost;
1738 scsi_qla_host_t *vha = shost_priv(host);
1739 struct qla_hw_data *ha = vha->hw;
1740 uint32_t rval = EXT_STATUS_OK;
1741 uint16_t req_sg_cnt = 0;
1742 uint16_t rsp_sg_cnt = 0;
1743 uint16_t nextlid = 0;
1744 uint32_t tot_dsds;
1745 srb_t *sp = NULL;
1746 uint32_t req_data_len;
1747 uint32_t rsp_data_len;
1748
1749 /* Check the type of the adapter */
1750 if (!IS_BIDI_CAPABLE(ha)) {
1751 ql_log(ql_log_warn, vha, 0x70a0,
1752 "This adapter is not supported\n");
1753 rval = EXT_STATUS_NOT_SUPPORTED;
1754 goto done;
1755 }
1756
1757 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1758 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1759 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1760 rval = EXT_STATUS_BUSY;
1761 goto done;
1762 }
1763
1764 /* Check if host is online */
1765 if (!vha->flags.online) {
1766 ql_log(ql_log_warn, vha, 0x70a1,
1767 "Host is not online\n");
1768 rval = EXT_STATUS_DEVICE_OFFLINE;
1769 goto done;
1770 }
1771
1772 /* Check if cable is plugged in or not */
1773 if (vha->device_flags & DFLG_NO_CABLE) {
1774 ql_log(ql_log_warn, vha, 0x70a2,
1775 "Cable is unplugged...\n");
1776 rval = EXT_STATUS_INVALID_CFG;
1777 goto done;
1778 }
1779
1780 /* Check if the switch is connected or not */
1781 if (ha->current_topology != ISP_CFG_F) {
1782 ql_log(ql_log_warn, vha, 0x70a3,
1783 "Host is not connected to the switch\n");
1784 rval = EXT_STATUS_INVALID_CFG;
1785 goto done;
1786 }
1787
1788 /* Check if operating mode is P2P */
1789 if (ha->operating_mode != P2P) {
1790 ql_log(ql_log_warn, vha, 0x70a4,
1791 "Host is operating mode is not P2p\n");
1792 rval = EXT_STATUS_INVALID_CFG;
1793 goto done;
1794 }
1795
1796 mutex_lock(&ha->selflogin_lock);
1797 if (vha->self_login_loop_id == 0) {
1798 /* Initialize all required fields of fcport */
1799 vha->bidir_fcport.vha = vha;
1800 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1801 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1802 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1803 vha->bidir_fcport.loop_id = vha->loop_id;
1804
1805 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1806 ql_log(ql_log_warn, vha, 0x70a7,
1807 "Failed to login port %06X for bidirectional IOCB\n",
1808 vha->bidir_fcport.d_id.b24);
1809 mutex_unlock(&ha->selflogin_lock);
1810 rval = EXT_STATUS_MAILBOX;
1811 goto done;
1812 }
1813 vha->self_login_loop_id = nextlid - 1;
1814
1815 }
1816 /* Assign the self login loop id to fcport */
1817 mutex_unlock(&ha->selflogin_lock);
1818
1819 vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1820
1821 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1822 bsg_job->request_payload.sg_list,
1823 bsg_job->request_payload.sg_cnt,
1824 DMA_TO_DEVICE);
1825
1826 if (!req_sg_cnt) {
1827 rval = EXT_STATUS_NO_MEMORY;
1828 goto done;
1829 }
1830
1831 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1832 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1833 DMA_FROM_DEVICE);
1834
1835 if (!rsp_sg_cnt) {
1836 rval = EXT_STATUS_NO_MEMORY;
1837 goto done_unmap_req_sg;
1838 }
1839
1840 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1841 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1842 ql_dbg(ql_dbg_user, vha, 0x70a9,
1843 "Dma mapping resulted in different sg counts "
1844 "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1845 "%x dma_reply_sg_cnt: %x]\n",
1846 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1847 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1848 rval = EXT_STATUS_NO_MEMORY;
1849 goto done_unmap_sg;
1850 }
1851
1852 req_data_len = bsg_job->request_payload.payload_len;
1853 rsp_data_len = bsg_job->reply_payload.payload_len;
1854
1855 if (req_data_len != rsp_data_len) {
1856 rval = EXT_STATUS_BUSY;
1857 ql_log(ql_log_warn, vha, 0x70aa,
1858 "req_data_len != rsp_data_len\n");
1859 goto done_unmap_sg;
1860 }
1861
1862 /* Alloc SRB structure */
1863 sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1864 if (!sp) {
1865 ql_dbg(ql_dbg_user, vha, 0x70ac,
1866 "Alloc SRB structure failed\n");
1867 rval = EXT_STATUS_NO_MEMORY;
1868 goto done_unmap_sg;
1869 }
1870
1871 /*Populate srb->ctx with bidir ctx*/
1872 sp->u.bsg_job = bsg_job;
1873 sp->free = qla2x00_bsg_sp_free;
1874 sp->type = SRB_BIDI_CMD;
1875 sp->done = qla2x00_bsg_job_done;
1876
1877 /* Add the read and write sg count */
1878 tot_dsds = rsp_sg_cnt + req_sg_cnt;
1879
1880 rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1881 if (rval != EXT_STATUS_OK)
1882 goto done_free_srb;
1883 /* the bsg request will be completed in the interrupt handler */
1884 return rval;
1885
1886 done_free_srb:
1887 mempool_free(sp, ha->srb_mempool);
1888 done_unmap_sg:
1889 dma_unmap_sg(&ha->pdev->dev,
1890 bsg_job->reply_payload.sg_list,
1891 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1892 done_unmap_req_sg:
1893 dma_unmap_sg(&ha->pdev->dev,
1894 bsg_job->request_payload.sg_list,
1895 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1896 done:
1897
1898 /* Return an error vendor specific response
1899 * and complete the bsg request
1900 */
1901 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1902 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1903 bsg_job->reply->reply_payload_rcv_len = 0;
1904 bsg_job->reply->result = (DID_OK) << 16;
1905 bsg_job->job_done(bsg_job);
1906 /* Always return success, vendor rsp carries correct status */
1907 return 0;
1908 }
1909
1910 static int
qlafx00_mgmt_cmd(struct fc_bsg_job * bsg_job)1911 qlafx00_mgmt_cmd(struct fc_bsg_job *bsg_job)
1912 {
1913 struct Scsi_Host *host = bsg_job->shost;
1914 scsi_qla_host_t *vha = shost_priv(host);
1915 struct qla_hw_data *ha = vha->hw;
1916 int rval = (DID_ERROR << 16);
1917 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
1918 srb_t *sp;
1919 int req_sg_cnt = 0, rsp_sg_cnt = 0;
1920 struct fc_port *fcport;
1921 char *type = "FC_BSG_HST_FX_MGMT";
1922
1923 /* Copy the IOCB specific information */
1924 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
1925 &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1926
1927 /* Dump the vendor information */
1928 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
1929 (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));
1930
1931 if (!vha->flags.online) {
1932 ql_log(ql_log_warn, vha, 0x70d0,
1933 "Host is not online.\n");
1934 rval = -EIO;
1935 goto done;
1936 }
1937
1938 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
1939 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1940 bsg_job->request_payload.sg_list,
1941 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1942 if (!req_sg_cnt) {
1943 ql_log(ql_log_warn, vha, 0x70c7,
1944 "dma_map_sg return %d for request\n", req_sg_cnt);
1945 rval = -ENOMEM;
1946 goto done;
1947 }
1948 }
1949
1950 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
1951 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1952 bsg_job->reply_payload.sg_list,
1953 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1954 if (!rsp_sg_cnt) {
1955 ql_log(ql_log_warn, vha, 0x70c8,
1956 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
1957 rval = -ENOMEM;
1958 goto done_unmap_req_sg;
1959 }
1960 }
1961
1962 ql_dbg(ql_dbg_user, vha, 0x70c9,
1963 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
1964 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
1965 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1966
1967 /* Allocate a dummy fcport structure, since functions preparing the
1968 * IOCB and mailbox command retrieves port specific information
1969 * from fcport structure. For Host based ELS commands there will be
1970 * no fcport structure allocated
1971 */
1972 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1973 if (!fcport) {
1974 ql_log(ql_log_warn, vha, 0x70ca,
1975 "Failed to allocate fcport.\n");
1976 rval = -ENOMEM;
1977 goto done_unmap_rsp_sg;
1978 }
1979
1980 /* Alloc SRB structure */
1981 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1982 if (!sp) {
1983 ql_log(ql_log_warn, vha, 0x70cb,
1984 "qla2x00_get_sp failed.\n");
1985 rval = -ENOMEM;
1986 goto done_free_fcport;
1987 }
1988
1989 /* Initialize all required fields of fcport */
1990 fcport->vha = vha;
1991 fcport->loop_id = piocb_rqst->dataword;
1992
1993 sp->type = SRB_FXIOCB_BCMD;
1994 sp->name = "bsg_fx_mgmt";
1995 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
1996 sp->u.bsg_job = bsg_job;
1997 sp->free = qla2x00_bsg_sp_free;
1998 sp->done = qla2x00_bsg_job_done;
1999
2000 ql_dbg(ql_dbg_user, vha, 0x70cc,
2001 "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
2002 type, piocb_rqst->func_type, fcport->loop_id);
2003
2004 rval = qla2x00_start_sp(sp);
2005 if (rval != QLA_SUCCESS) {
2006 ql_log(ql_log_warn, vha, 0x70cd,
2007 "qla2x00_start_sp failed=%d.\n", rval);
2008 mempool_free(sp, ha->srb_mempool);
2009 rval = -EIO;
2010 goto done_free_fcport;
2011 }
2012 return rval;
2013
2014 done_free_fcport:
2015 kfree(fcport);
2016
2017 done_unmap_rsp_sg:
2018 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
2019 dma_unmap_sg(&ha->pdev->dev,
2020 bsg_job->reply_payload.sg_list,
2021 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2022 done_unmap_req_sg:
2023 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
2024 dma_unmap_sg(&ha->pdev->dev,
2025 bsg_job->request_payload.sg_list,
2026 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2027
2028 done:
2029 return rval;
2030 }
2031
2032 static int
qla26xx_serdes_op(struct fc_bsg_job * bsg_job)2033 qla26xx_serdes_op(struct fc_bsg_job *bsg_job)
2034 {
2035 struct Scsi_Host *host = bsg_job->shost;
2036 scsi_qla_host_t *vha = shost_priv(host);
2037 int rval = 0;
2038 struct qla_serdes_reg sr;
2039
2040 memset(&sr, 0, sizeof(sr));
2041
2042 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2043 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2044
2045 switch (sr.cmd) {
2046 case INT_SC_SERDES_WRITE_REG:
2047 rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
2048 bsg_job->reply->reply_payload_rcv_len = 0;
2049 break;
2050 case INT_SC_SERDES_READ_REG:
2051 rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
2052 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2053 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2054 bsg_job->reply->reply_payload_rcv_len = sizeof(sr);
2055 break;
2056 default:
2057 ql_dbg(ql_dbg_user, vha, 0x708c,
2058 "Unknown serdes cmd %x.\n", sr.cmd);
2059 rval = -EINVAL;
2060 break;
2061 }
2062
2063 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
2064 rval ? EXT_STATUS_MAILBOX : 0;
2065
2066 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2067 bsg_job->reply->result = DID_OK << 16;
2068 bsg_job->job_done(bsg_job);
2069 return 0;
2070 }
2071
2072 static int
qla8044_serdes_op(struct fc_bsg_job * bsg_job)2073 qla8044_serdes_op(struct fc_bsg_job *bsg_job)
2074 {
2075 struct Scsi_Host *host = bsg_job->shost;
2076 scsi_qla_host_t *vha = shost_priv(host);
2077 int rval = 0;
2078 struct qla_serdes_reg_ex sr;
2079
2080 memset(&sr, 0, sizeof(sr));
2081
2082 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2083 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2084
2085 switch (sr.cmd) {
2086 case INT_SC_SERDES_WRITE_REG:
2087 rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
2088 bsg_job->reply->reply_payload_rcv_len = 0;
2089 break;
2090 case INT_SC_SERDES_READ_REG:
2091 rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
2092 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2093 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2094 bsg_job->reply->reply_payload_rcv_len = sizeof(sr);
2095 break;
2096 default:
2097 ql_dbg(ql_dbg_user, vha, 0x70cf,
2098 "Unknown serdes cmd %x.\n", sr.cmd);
2099 rval = -EINVAL;
2100 break;
2101 }
2102
2103 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
2104 rval ? EXT_STATUS_MAILBOX : 0;
2105
2106 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2107 bsg_job->reply->result = DID_OK << 16;
2108 bsg_job->job_done(bsg_job);
2109 return 0;
2110 }
2111
2112 static int
qla2x00_process_vendor_specific(struct fc_bsg_job * bsg_job)2113 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
2114 {
2115 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
2116 case QL_VND_LOOPBACK:
2117 return qla2x00_process_loopback(bsg_job);
2118
2119 case QL_VND_A84_RESET:
2120 return qla84xx_reset(bsg_job);
2121
2122 case QL_VND_A84_UPDATE_FW:
2123 return qla84xx_updatefw(bsg_job);
2124
2125 case QL_VND_A84_MGMT_CMD:
2126 return qla84xx_mgmt_cmd(bsg_job);
2127
2128 case QL_VND_IIDMA:
2129 return qla24xx_iidma(bsg_job);
2130
2131 case QL_VND_FCP_PRIO_CFG_CMD:
2132 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
2133
2134 case QL_VND_READ_FLASH:
2135 return qla2x00_read_optrom(bsg_job);
2136
2137 case QL_VND_UPDATE_FLASH:
2138 return qla2x00_update_optrom(bsg_job);
2139
2140 case QL_VND_SET_FRU_VERSION:
2141 return qla2x00_update_fru_versions(bsg_job);
2142
2143 case QL_VND_READ_FRU_STATUS:
2144 return qla2x00_read_fru_status(bsg_job);
2145
2146 case QL_VND_WRITE_FRU_STATUS:
2147 return qla2x00_write_fru_status(bsg_job);
2148
2149 case QL_VND_WRITE_I2C:
2150 return qla2x00_write_i2c(bsg_job);
2151
2152 case QL_VND_READ_I2C:
2153 return qla2x00_read_i2c(bsg_job);
2154
2155 case QL_VND_DIAG_IO_CMD:
2156 return qla24xx_process_bidir_cmd(bsg_job);
2157
2158 case QL_VND_FX00_MGMT_CMD:
2159 return qlafx00_mgmt_cmd(bsg_job);
2160
2161 case QL_VND_SERDES_OP:
2162 return qla26xx_serdes_op(bsg_job);
2163
2164 case QL_VND_SERDES_OP_EX:
2165 return qla8044_serdes_op(bsg_job);
2166
2167 default:
2168 return -ENOSYS;
2169 }
2170 }
2171
2172 int
qla24xx_bsg_request(struct fc_bsg_job * bsg_job)2173 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
2174 {
2175 int ret = -EINVAL;
2176 struct fc_rport *rport;
2177 struct Scsi_Host *host;
2178 scsi_qla_host_t *vha;
2179
2180 /* In case no data transferred. */
2181 bsg_job->reply->reply_payload_rcv_len = 0;
2182
2183 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
2184 rport = bsg_job->rport;
2185 host = rport_to_shost(rport);
2186 vha = shost_priv(host);
2187 } else {
2188 host = bsg_job->shost;
2189 vha = shost_priv(host);
2190 }
2191
2192 if (qla2x00_reset_active(vha)) {
2193 ql_dbg(ql_dbg_user, vha, 0x709f,
2194 "BSG: ISP abort active/needed -- cmd=%d.\n",
2195 bsg_job->request->msgcode);
2196 return -EBUSY;
2197 }
2198
2199 ql_dbg(ql_dbg_user, vha, 0x7000,
2200 "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
2201
2202 switch (bsg_job->request->msgcode) {
2203 case FC_BSG_RPT_ELS:
2204 case FC_BSG_HST_ELS_NOLOGIN:
2205 ret = qla2x00_process_els(bsg_job);
2206 break;
2207 case FC_BSG_HST_CT:
2208 ret = qla2x00_process_ct(bsg_job);
2209 break;
2210 case FC_BSG_HST_VENDOR:
2211 ret = qla2x00_process_vendor_specific(bsg_job);
2212 break;
2213 case FC_BSG_HST_ADD_RPORT:
2214 case FC_BSG_HST_DEL_RPORT:
2215 case FC_BSG_RPT_CT:
2216 default:
2217 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2218 break;
2219 }
2220 return ret;
2221 }
2222
2223 int
qla24xx_bsg_timeout(struct fc_bsg_job * bsg_job)2224 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
2225 {
2226 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
2227 struct qla_hw_data *ha = vha->hw;
2228 srb_t *sp;
2229 int cnt, que;
2230 unsigned long flags;
2231 struct req_que *req;
2232
2233 /* find the bsg job from the active list of commands */
2234 spin_lock_irqsave(&ha->hardware_lock, flags);
2235 for (que = 0; que < ha->max_req_queues; que++) {
2236 req = ha->req_q_map[que];
2237 if (!req)
2238 continue;
2239
2240 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2241 sp = req->outstanding_cmds[cnt];
2242 if (sp) {
2243 if (((sp->type == SRB_CT_CMD) ||
2244 (sp->type == SRB_ELS_CMD_HST) ||
2245 (sp->type == SRB_FXIOCB_BCMD))
2246 && (sp->u.bsg_job == bsg_job)) {
2247 req->outstanding_cmds[cnt] = NULL;
2248 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2249 if (ha->isp_ops->abort_command(sp)) {
2250 ql_log(ql_log_warn, vha, 0x7089,
2251 "mbx abort_command "
2252 "failed.\n");
2253 bsg_job->req->errors =
2254 bsg_job->reply->result = -EIO;
2255 } else {
2256 ql_dbg(ql_dbg_user, vha, 0x708a,
2257 "mbx abort_command "
2258 "success.\n");
2259 bsg_job->req->errors =
2260 bsg_job->reply->result = 0;
2261 }
2262 spin_lock_irqsave(&ha->hardware_lock, flags);
2263 goto done;
2264 }
2265 }
2266 }
2267 }
2268 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2269 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2270 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
2271 return 0;
2272
2273 done:
2274 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2275 sp->free(vha, sp);
2276 return 0;
2277 }
2278